Dynamic drivers are capable of a rich midrange and bright treble. Balanced armatures are capable of warm midranges as well. Consider the Sony EX-1000 as an example of a 15mm dynamic with a treble emphasis.
It's not as overly simple as you might be thinking.
In the case of the AS-2, there is no crossover, which is something to consider further.
What if theres no crossover? How will that impact the sound? And these should be coming out sometime this month, right?